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Resumen Objetivo Determinar la prevalencia de consumo de psicofarmacos en una poblacion de obesos. Material y metodos Recogimos datos procedentes de las historias clinicas de pacientes diagnosticados de obesidad y visitados por el Servicio de Endocrinologia y Nutricion y por el Servicio de Psiquiatria del Hospital del Mar en el periodo comprendido entre junio del 2005 y mayo del 2006. Las variables recopiladas fueron datos antropometricos, epidemiologicos y toxicologicos. Tambien investigamos la frecuencia de patologia concomitante. Resultados El consumo de farmacos psicoactivos en los pacientes con obesidad fue del 37%, siendo los mas utilizados los antidepresivos (27%), los ansioliticos, los sedantes y los hipnoticos y los antiepilepticos. Ademas, el 15% de los pacientes estaba recibiendo tratamiento con 2 o mas psicofarmacos, siendo la combinacion mas frecuente la asociacion de antidepresivos con antiepilepticos. Conclusiones La prevalencia de consumo de farmacos psicoactivos en nuestra muestra fue superior a los datos de prevalencia observados en la poblacion general. En el caso de los antidepresivos, el consumo fue 3 veces superior respecto a la poblacion general.

To establish the prevalence of psychoactive drug consumption in an obese population.We collected data from the clinical records of obese patients attending the Endocrinology and Nutrition Department and Psychiatry Department of Hospital del Mar between June 2005 and May 2006 (n=259). We recorded anthropometric, epidemiological and toxicological data. We also investigated the prevalence of concomitant diseases in this population.Psychoactive drugs were consumed by 37% of obese patients, mainly antidepressants (27%), anxiolytics, sedatives and hypnotics, and anticonvulsants. Moreover, 15% of all patients received combination treatment with two or more psychoactive drugs, mostly the association of an antidepressant and an antiepileptic drug.The prevalence of psychoactive drug consumption in our sample was higher than prevalence data observed in the general population, with antidepressant consumption being three-fold higher.

Coffee, tea, chocolate and caffeinated drinks are the main sources of caffeine, which is consumed in almost all ages and socioeconomic levels. Caffeine acts as a non-selective adenosine receptor antagonist in the central nervous system. Its main effects are as psychostimulant, acting in addition on the respiratory, muscular and cardiovascular systems. Basically, caffeine is metabolized by the hepatic cytochrome P-450 1A2 enzymes (CYP1A2). Several drugs can interact with its metabolism. The observed interindividual differences of its effects can be explained by variations in its metabolism. The main therapeutic use of caffeine is bronchodilator in respiratory diseases. Other possible uses are under investigation. Acute or chronic consumption of caffeine can induce several adverse effects, including intoxication that can be lethal. Finally, caffeine can be considered a drug of abuse. It has positive reinforcing actions, produces tolerance, and a withdrawal syndrome after stopping its consumption. Caffeine can cause different mental disorders such as dependence, which is not included in the DSM-IV-R, withdrawal syndrome and intoxication. Depending on its use, caffeine can be considered a nutrient, a drug or a drug of abuse.

El café, el té, el chocolate y los refrescos de cola son las principales fuentes de cafeína, que es consumida en casi todas las edades y estratos socioeconómicos. La cafeína es un antagonista competitivo de los receptores adenosínicos del SNC. Sus principales efectos son psicoestimulantes, respiratorios, músculo-esqueléticos y cardiovasculares. Básicamente, se metaboliza por el CYP1A2 por lo que interacciona con numerosos fármacos. Las variaciones interindividuales en su metabolismo explican las diferencias de sus efectos. Su principal uso terapéutico es como broncodilatador en patología respiratoria. Además, se ha experimentado en otras patologías con resultados no concluyentes. El consumo agudo o crónico de cafeína puede dar lugar a una amplia variedad de efectos adversos, intoxicaciones e incluso la muerte. Finalmente, destacar que la cafeína puede considerarse una droga de abuso. Así, la cafeína posee propiedades reforzadoras positivas, produce tolerancia y al cesar su consumo aparece un síndrome de abstinencia específico. La cafeína puede dar lugar a diferentes trastornos por uso de sustancias. Entre ellas la dependencia, no reconocida en el DSM IV-R, el síndrome de abstinencia y la intoxicación. La cafeína puede considerarse un fármaco, un nutriente y una droga de abuso dependiendo de su uso Coffee, tea, chocolate and caffeinated drinks are the main sources of caffeine, which is consumed in almost all ages and socioeconomic levels. Caffeine acts as a non-selective adenosine receptor antagonist in the central nervous system. Its main effects are as psychostimulant, acting in addition on the respiratory, muscular and cardiovascular systems. Basically, caffeine is metabolized by the hepatic cytochrome P-450 1A2 enzymes (CYP1A2). Several drugs can interact with its metabolism. The observed interindividual differences of its effects can be main therapeutic use of caffeine is bronchodilator in respiratory diseases. Other possible uses are under investigation. Acute or chronic consumption of caffeine can induce several adverse effects, including intoxication that can be lethal. Finally, caffeine can be considered a drug of abuse. It has positive reinforcing actions, produces tolerance, and a withdrawal syndrome after stopping its consumption. Caffeine can cause different mental disorders such as dependence, which is not included in the DSM-IV-R, withdrawal syndrome and intoxication. Depending on its use, caffeine can be considered a nutrient, a drug or a drug of abuse